<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>

    </style>
</head>

<body>
    <div id="app">
        <script src="../vue.js"></script>
        <ul>
            <li v-for="item in list">
                {{item}}
            </li>
        </ul>
        <button @click="changeLi">走一走</button>
        <script>
            const app = new Vue({
                el: '#app',
                data: {
                    list: ['帅哥', '美女', '程序猿']
                },
                methods: {
                    changeLi() {
                        this.list.push(this.list.shift())
                    }
                }


            })
        </script>
    </div>

</body>

</html>